diff --git a/composer.json b/composer.json
index e83f522..351d6a9 100644
--- a/composer.json
+++ b/composer.json
@@ -15,8 +15,8 @@
         }
     ],
     "require": {
-        "php": "^7.2",
-        "illuminate/support": "^6.0|^7.0"
+        "php": "^7.2|^8.0",
+        "illuminate/support": "^6.0|^7.0|^8.0|^9"
     },
     "require-dev": {
         "phpunit/phpunit": "~8.0"
diff --git a/src/PageTitle.php b/src/PageTitle.php
index 3e5f387..a95c4f6 100644
--- a/src/PageTitle.php
+++ b/src/PageTitle.php
@@ -136,7 +136,7 @@ public function add($item)
      *
      * @return int
      */
-    public function count()
+    public function count(): int
     {
         return count($this->collection);
     }